CVE-2026-28548
Published: 05 March 2026
Summary
CVE-2026-28548 is a high-severity Improper Privilege Management (CWE-269) vulnerability in Huawei Emui. Its CVSS base score is 7.1 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 0.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
Threat & Defense at a Glance
Threat & Defense Details
Likely Mitigating ControlsAI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Policy addresses roles, responsibilities, and privilege management to prevent improper privilege assignments.
Access supervision ensures privileges are assigned and managed without improper escalation or retention.
Assigning group/role memberships and access authorizations (privileges) while reviewing accounts addresses improper privilege management.
Enforces proper privilege management by requiring all decisions through the verified reference monitor.
By mandating division of duties across roles, the control enforces proper privilege management and prevents a single entity from controlling an entire sensitive process.
Implements core proper privilege management by restricting to only required rights.
Policy requires training on privilege management and least privilege, making it harder to exploit improper privilege management weaknesses.
Training covers proper privilege management practices, making incorrect privilege assignments less likely.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Improper privilege management (CWE-269) in local email app directly enables T1068 for escalation to access resources; high confidentiality impact on email data facilitates T1114.001 local collection. UI:R and AV:L align with client-side exploitation.
NVD Description
Vulnerability of improper verification in the email application. Impact: Successful exploitation of this vulnerability may affect service confidentiality.
Deeper analysisAI
CVE-2026-28548 is a vulnerability involving improper verification in the email application, as identified in Huawei's consumer support bulletin. Published on 2026-03-05, it carries a CVSS v3.1 base score of 7.1 (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N) and is associated with CWE-269 (Improper Privilege Management). Successful exploitation may affect service confidentiality.
The vulnerability can be exploited by a local attacker with no privileges required, though it demands low attack complexity and user interaction. Attackers can achieve high impacts on confidentiality and integrity, potentially allowing unauthorized access to sensitive email data or modification of email-related services without affecting availability.
Huawei has published a security bulletin detailing the issue at https://consumer.huawei.com/en/support/bulletin/2026/3/, which serves as the primary advisory for mitigation guidance and potential patches.
Details
- CWE(s)